Oct 13 05:08:19.987 INFO checking DaRavenox/Rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 05:08:19.993 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 05:08:20.698 INFO blam! 52089592672d43f1adf0e01d08cbeea4ab6fa0180a4eec6802c6596ab1f6dcc8
Oct 13 05:08:20.700 INFO running `"docker" "start" "-a" "52089592672d43f1adf0e01d08cbeea4ab6fa0180a4eec6802c6596ab1f6dcc8"`
Oct 13 05:08:21.439 INFO kablam! usermod: no changes
Oct 13 05:08:21.467 INFO kablam!     Checking hello_rust v0.0.1 (/source)
Oct 13 05:08:21.856 INFO kablam! warning: unused variable: `y`
Oct 13 05:08:21.856 INFO kablam!  --> src/main.rs:3:12
Oct 13 05:08:21.856 INFO kablam!   |
Oct 13 05:08:21.856 INFO kablam! 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Oct 13 05:08:21.856 INFO kablam!   |               ^ help: consider using `_y` instead
Oct 13 05:08:21.856 INFO kablam!   |
Oct 13 05:08:21.856 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 13 05:08:21.856 INFO kablam! 
Oct 13 05:08:21.856 INFO kablam! warning: unused variable: `z`
Oct 13 05:08:21.856 INFO kablam!  --> src/main.rs:4:8
Oct 13 05:08:21.857 INFO kablam!   |
Oct 13 05:08:21.857 INFO kablam! 4 |       let z:i32; //We initialize a variable;
Oct 13 05:08:21.857 INFO kablam!   |           ^ help: consider using `_z` instead
Oct 13 05:08:21.857 INFO kablam! 
Oct 13 05:08:21.857 INFO kablam! warning: unused variable: `y`
Oct 13 05:08:21.857 INFO kablam!   --> src/main.rs:66:27
Oct 13 05:08:21.857 INFO kablam!    |
Oct 13 05:08:21.857 INFO kablam! 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Oct 13 05:08:21.857 INFO kablam!    |                           ^ help: consider using `_y` instead
Oct 13 05:08:21.857 INFO kablam! 
Oct 13 05:08:21.857 INFO kablam! warning: unused variable: `z`
Oct 13 05:08:21.857 INFO kablam!   --> src/main.rs:66:35
Oct 13 05:08:21.857 INFO kablam!    |
Oct 13 05:08:21.857 INFO kablam! 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Oct 13 05:08:21.857 INFO kablam!    |                                   ^ help: consider using `_z` instead
Oct 13 05:08:21.857 INFO kablam! 
Oct 13 05:08:21.857 INFO kablam! warning: unused variable: `x`
Oct 13 05:08:21.857 INFO kablam!   --> src/main.rs:78:13
Oct 13 05:08:21.857 INFO kablam!    |
Oct 13 05:08:21.857 INFO kablam! 78 | fn diverges(x: i32) -> !{
Oct 13 05:08:21.857 INFO kablam!    |             ^ help: consider using `_x` instead
Oct 13 05:08:21.857 INFO kablam! 
Oct 13 05:08:21.861 INFO kablam! warning: variable does not need to be mutable
Oct 13 05:08:21.862 INFO kablam!  --> src/main.rs:3:8
Oct 13 05:08:21.862 INFO kablam!   |
Oct 13 05:08:21.862 INFO kablam! 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Oct 13 05:08:21.862 INFO kablam!   |           ----^
Oct 13 05:08:21.862 INFO kablam!   |           |
Oct 13 05:08:21.862 INFO kablam!   |           help: remove this `mut`
Oct 13 05:08:21.862 INFO kablam!   |
Oct 13 05:08:21.862 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 13 05:08:21.862 INFO kablam! 
Oct 13 05:08:21.862 INFO kablam! warning: variable does not need to be mutable
Oct 13 05:08:21.862 INFO kablam!   --> src/main.rs:18:9
Oct 13 05:08:21.862 INFO kablam!    |
Oct 13 05:08:21.862 INFO kablam! 18 |           let mut x = 7;
Oct 13 05:08:21.862 INFO kablam!    |               ----^
Oct 13 05:08:21.862 INFO kablam!    |               |
Oct 13 05:08:21.862 INFO kablam!    |               help: remove this `mut`
Oct 13 05:08:21.862 INFO kablam! 
Oct 13 05:08:21.871 INFO kablam! warning: function is never used: `diverges`
Oct 13 05:08:21.871 INFO kablam!   --> src/main.rs:78:1
Oct 13 05:08:21.871 INFO kablam!    |
Oct 13 05:08:21.871 INFO kablam! 78 | fn diverges(x: i32) -> !{
Oct 13 05:08:21.871 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:08:21.871 INFO kablam!    |
Oct 13 05:08:21.871 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 05:08:21.871 INFO kablam! 
Oct 13 05:08:21.872 INFO kablam! warning: function `testBorrow` should have a snake case name such as `test_borrow`
Oct 13 05:08:21.872 INFO kablam!    --> src/main.rs:229:1
Oct 13 05:08:21.872 INFO kablam!     |
Oct 13 05:08:21.872 INFO kablam! 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Oct 13 05:08:21.872 INFO kablam! 230 | |     v1[2] = 2;
Oct 13 05:08:21.872 INFO kablam! 231 | |     v2[2] = 2;
Oct 13 05:08:21.872 INFO kablam! 232 | | }
Oct 13 05:08:21.872 INFO kablam!     | |_^
Oct 13 05:08:21.872 INFO kablam!     |
Oct 13 05:08:21.872 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Oct 13 05:08:21.872 INFO kablam! 
Oct 13 05:08:22.050 INFO kablam! warning: unused variable: `y`
Oct 13 05:08:22.050 INFO kablam!  --> src/main.rs:3:12
Oct 13 05:08:22.050 INFO kablam!   |
Oct 13 05:08:22.050 INFO kablam! 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Oct 13 05:08:22.050 INFO kablam!   |               ^ help: consider using `_y` instead
Oct 13 05:08:22.050 INFO kablam!   |
Oct 13 05:08:22.050 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 13 05:08:22.050 INFO kablam! 
Oct 13 05:08:22.050 INFO kablam! warning: unused variable: `z`
Oct 13 05:08:22.050 INFO kablam!  --> src/main.rs:4:8
Oct 13 05:08:22.050 INFO kablam!   |
Oct 13 05:08:22.050 INFO kablam! 4 |       let z:i32; //We initialize a variable;
Oct 13 05:08:22.050 INFO kablam!   |           ^ help: consider using `_z` instead
Oct 13 05:08:22.050 INFO kablam! 
Oct 13 05:08:22.050 INFO kablam! warning: unused variable: `y`
Oct 13 05:08:22.050 INFO kablam!   --> src/main.rs:66:27
Oct 13 05:08:22.050 INFO kablam!    |
Oct 13 05:08:22.050 INFO kablam! 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Oct 13 05:08:22.050 INFO kablam!    |                           ^ help: consider using `_y` instead
Oct 13 05:08:22.050 INFO kablam! 
Oct 13 05:08:22.050 INFO kablam! warning: unused variable: `z`
Oct 13 05:08:22.050 INFO kablam!   --> src/main.rs:66:35
Oct 13 05:08:22.050 INFO kablam!    |
Oct 13 05:08:22.050 INFO kablam! 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Oct 13 05:08:22.050 INFO kablam!    |                                   ^ help: consider using `_z` instead
Oct 13 05:08:22.050 INFO kablam! 
Oct 13 05:08:22.050 INFO kablam! warning: unused variable: `x`
Oct 13 05:08:22.050 INFO kablam!   --> src/main.rs:78:13
Oct 13 05:08:22.050 INFO kablam!    |
Oct 13 05:08:22.050 INFO kablam! 78 | fn diverges(x: i32) -> !{
Oct 13 05:08:22.050 INFO kablam!    |             ^ help: consider using `_x` instead
Oct 13 05:08:22.050 INFO kablam! 
Oct 13 05:08:22.056 INFO kablam! warning: variable does not need to be mutable
Oct 13 05:08:22.056 INFO kablam!  --> src/main.rs:3:8
Oct 13 05:08:22.056 INFO kablam!   |
Oct 13 05:08:22.056 INFO kablam! 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Oct 13 05:08:22.056 INFO kablam!   |           ----^
Oct 13 05:08:22.056 INFO kablam!   |           |
Oct 13 05:08:22.056 INFO kablam!   |           help: remove this `mut`
Oct 13 05:08:22.056 INFO kablam!   |
Oct 13 05:08:22.056 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 13 05:08:22.056 INFO kablam! 
Oct 13 05:08:22.056 INFO kablam! warning: variable does not need to be mutable
Oct 13 05:08:22.056 INFO kablam!   --> src/main.rs:18:9
Oct 13 05:08:22.056 INFO kablam!    |
Oct 13 05:08:22.056 INFO kablam! 18 |           let mut x = 7;
Oct 13 05:08:22.056 INFO kablam!    |               ----^
Oct 13 05:08:22.056 INFO kablam!    |               |
Oct 13 05:08:22.056 INFO kablam!    |               help: remove this `mut`
Oct 13 05:08:22.056 INFO kablam! 
Oct 13 05:08:22.065 INFO kablam! warning: function is never used: `diverges`
Oct 13 05:08:22.065 INFO kablam!   --> src/main.rs:78:1
Oct 13 05:08:22.065 INFO kablam!    |
Oct 13 05:08:22.065 INFO kablam! 78 | fn diverges(x: i32) -> !{
Oct 13 05:08:22.065 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:08:22.065 INFO kablam!    |
Oct 13 05:08:22.065 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 05:08:22.065 INFO kablam! 
Oct 13 05:08:22.065 INFO kablam! warning: function `testBorrow` should have a snake case name such as `test_borrow`
Oct 13 05:08:22.065 INFO kablam!    --> src/main.rs:229:1
Oct 13 05:08:22.065 INFO kablam!     |
Oct 13 05:08:22.065 INFO kablam! 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Oct 13 05:08:22.065 INFO kablam! 230 | |     v1[2] = 2;
Oct 13 05:08:22.065 INFO kablam! 231 | |     v2[2] = 2;
Oct 13 05:08:22.065 INFO kablam! 232 | | }
Oct 13 05:08:22.065 INFO kablam!     | |_^
Oct 13 05:08:22.065 INFO kablam!     |
Oct 13 05:08:22.065 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Oct 13 05:08:22.065 INFO kablam! 
Oct 13 05:08:22.075 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Oct 13 05:08:22.083 INFO kablam! su: No module specific data is present
Oct 13 05:08:24.108 INFO running `"docker" "rm" "-f" "52089592672d43f1adf0e01d08cbeea4ab6fa0180a4eec6802c6596ab1f6dcc8"`
Oct 13 05:08:25.157 INFO blam! 52089592672d43f1adf0e01d08cbeea4ab6fa0180a4eec6802c6596ab1f6dcc8